Isekai Mokushiroku Mynoghra: Hametsu no Bunmei de Hajimeru Sekai Seifuku

Both of the MC has extensive knowledge on the game that it feels like they can curbstomp any casual players they interact and has general knowledge of 4X games. For those who don't know the abbreviation of 4X game are eXplore, eXpand, eXploit, and eXterminate civilization. 

,both have strong subordinates, both have subordinates who help her in her work. and, Both of the main characters have an ability to command an army of monsters 

,Both are Isekai, both have strong subordinates, both all subordinates consider him a great genius, both seek to build a peaceful country. 

Both are undeservingly low-rated shows since viewers expected them to have more fights and less talking, yet their conversations and takeaways actually make a lot of sense if you have gone through similar struggles and you have an empathetic nature.  

The MC boy picks a girl to be his sidekick who happens to be the support character he makes or chooses for himself. Isekai